How is Colour FormedTake a CD (compact disc) out in the sun and see how light is reflected from its shining surface. What do you see? Many colours. These colours actually come from the sunlight.White light is composed of many colours. When these colours …

What is Newton’s DiscNewton’s disc is a coloured disc which is painted with the colours of white light [i.e., violet, indigo, blue, green, yellow, orange, and red (VIBGYOR)] in equal proportions so that when it is rotated very fast, the disc appears whit…